Pneumatic clutch for greenhouse and nursery machinery

for environments unsuitable for electronic equipment

At a glance
  • Industry Horticulture / Agri-tech
  • Requirement Prevent machine downtime caused by electronic failures
  • Solution PNZZ pneumatic clutch
  • Benefit Increased production capacity

Application overview

Application
Greenhouse and nursery machinery
Customer type
Machine builder
Scenario
Intermittent cycles with high torque
Working environment
High temperature and humidity
Usage conditions
  • Required engagement type: at standstill
  • Lubrication conditions: dry running

The design challenge

The machine builder asked us for a solution to permanently overcome recurring work cycle interruptions. Malfunctions of electronic equipment such as inverters, brushless motors and encoders in very hot environments with extremely high humidity levels can have a direct impact on the company’s production capacity.

Summary
Before
  • Transmission controlled by electronic components
  • Frequent interruptions of the production cycle
Objective
  • Reliable transmission
  • Higher load capacity

The solution with PNZZ pneumatic tooth clutches

From the initial analysis stage, the use of pneumatic tooth-operated components was immediately considered. Tests carried out with the prototype confirmed that the direction suggested by Telcomec was the right one. The customised development for the customer then led to specific modifications to the conveyor belt drive section. At the same time, suitable synthetic greases were selected to ensure reliable performance even in environments characterised by high humidity.

In practice
  • PNZZ pneumatic clutch and modification of the drive unit

How it works in the application

  • Function Engagement / disengagement
  • Operating mode Compressed air – 6 bar
  • Operating conditions Intermittent cycles, high torque
  • Key feature Reliable operation without electronics
  • Toothing Triangular

Benefits for the machine manufacturer

Higher transmissible torque
This made it possible to extend the conveyor belt and increase the capacity of the seed trays.
Commercial advantage
Compared with competing manufacturers affected by the same issues related to electronic systems.
Typical industries
Seeding lines

Are you designing a machine with similar requirements?

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